Science
Science-backed insights on sauna, recovery, and athletic performance.
Best Sauna Hat 2026: Wool vs Felt vs Nothing
The sauna hat category has exploded. Amazon listings have tripled. Instagram is full of them. Flower-shaped felt hats from Lithuania sit next to merino...
How to Choose the Right Sauna Hat: Materials, Fit & Style
The short answer: Choose a sauna hat made from 100% wool, ideally merino, with a thickness of 4–6mm. Wool insulates at temperatures above 80°C...
